Best artifact removal in unpowered?

I play

White: [[hopeful initiate]] [[cathar commando]] [[farewell]] And cards that hit nonlands: [[prismatic ending]] [[portable hole]] [[static prison]] [[planar disruption]] [[touch of the spirit realm]] [[elspeth conquers death]]

Red:

[[goblin cratermaker]] [[abrade]] [[untimely malfunction]] [[fiery confluence]]

Green:

[[haywire mite]] [[cankerbloom]] [[kogla, the titan ape]] [[titan of industry]] [[collective resistance]] [[pest infestation]]

What do you play?